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1275528070 = 25127552807
BaseRepresentation
bin100110000000111…
…0000001110000110
310021220010112120101
41030001300032012
510103013344240
6330322554314
743415544505
oct11401601606
93256115511
101275528070
115a5003133
122b720899a
1317434a24b
14c159083c
1576ea939a
hex4c070386

1275528070 has 8 divisors (see below), whose sum is σ = 2295950544. Its totient is φ = 510211224.

The previous prime is 1275528053. The next prime is 1275528103. The reversal of 1275528070 is 708255721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63776394 + ... + 63776413.

It is an arithmetic number, because the mean of its divisors is an integer number (286993818).

Almost surely, 21275528070 is an apocalyptic number.

1275528070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275528070 is a deficient number, since it is larger than the sum of its proper divisors (1020422474).

1275528070 is a wasteful number, since it uses less digits than its factorization.

1275528070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127552814.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 1275528070 is about 35714.5358362670. The cubic root of 1275528070 is about 1084.5011248293.

The spelling of 1275528070 in words is "one billion, two hundred seventy-five million, five hundred twenty-eight thousand, seventy".

Divisors: 1 2 5 10 127552807 255105614 637764035 1275528070